040000 tree ab031b1cad4f3ab6d0fbcb1ae8cfc80f18636300	dawn
040000 tree ce9eedc461e39c05761773ecacd612fa21b8da9f	dawn_native
040000 tree 7928c6aca9c4f523b6e694bbc7434e3b2b8a3cb7	dawn_platform
040000 tree ffa8ea61833c7af3f4c38a28f4734d51ecb94aec	dawn_wire